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Ditylenchus dipsaci is a plant pathogenic nematode that primarily infects onion and garlic. [2] It is commonly known as the stem nematode, the stem and bulb eelworm, or onion bloat (in the United Kingdom). [3][4] Symptoms of infection include stunted growth, discoloration of bulbs, and swollen stems. D. dipsaci is a migratory endoparasite that ...
A garlic bulb next to a clove crushed in a garlic press. Garlic allergy or allergic contact dermatitis to garlic is a common inflammatory skin condition caused by contact with garlic oil or dust. It mostly affects people who cut and handle fresh garlic, such as chefs, [ 1 ] and presents on the tips of the thumb, index and middle fingers of the ...
Pinworm infection (threadworm infection in the UK), also known as enterobiasis, is a human parasitic disease caused by the pinworm, Enterobius vermicularis. [3] The most common symptom is pruritus ani, or itching in the anal area. [1] The period of time from swallowing eggs to the appearance of new eggs around the anus is 4 to 8 weeks. [2]
Garlic may also suffer from pink root, a typically non-fatal disease that stunts the roots and turns them pink or red; [22] or leek rust, which usually appears as bright orange spots. [23] The larvae of the leek moth attack garlic by mining into the leaves or bulbs. [24] Botrytis neck and bulb rot is a disease of onion, garlic, leek and shallot.
Leveillula taurica is an obligate fungal pathogen, from the phylum Ascomycota, which causes powdery mildew on onion. This disease prefers warm, dry environments. It is rare in the United States, and is currently restricted to western states. Globally, it is also a minor problem with limited occurrences in the Middle East, Europe, and South America.
Fusarium wilt is a common vascular wilt fungal disease, exhibiting symptoms similar to Verticillium wilt. This disease has been investigated extensively since the early years of this century. The pathogen that causes Fusarium wilt is Fusarium oxysporum (F. oxysporum). [1] The species is further divided into formae speciales based on host plant.
Stemphylium solani is of greatest concern in tomatoes, potatoes, peppers, garlic, onions, and cotton, though a wide range of over 20 species have proven susceptible. In tomatoes and potatoes, the resulting disease is known as grey leaf spot. In alliums it is known as leaf blight. Additional hosts are listed below. [1] Onion, Allium ascalonicum
Initial symptoms of blue mold of garlic caused by Penicillium hirsutum include water-soaked or pale-yellow areas on the outer surface of scales. [7] [8] As disease progresses, a green to blue-green, powdery mold may develop on the surface of the lesions.